Atomizer or burner for liquid fuel.



l H. BRABY.. ATOMIZEB 0R BURNER FOB LIQUID FUEL.

v APPLIOATION FILED 31122, 1907.

930,346. Patented Aug. 10, 1909.

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IH. BRABY.' ATOMIZEB 0R BURNER; FOB. LIQUID FUEL.

APPLICATION FILED JAN.`22, 1907.

Patented Aug. 10, 1909.

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HENRY BRABY, or SYDNEY, NEW sou'rn wALEs, AUSTRALIA ATOMIZER on BURNEREOR mourn FUEL.

Application filed January 22,1907. vSerial'No. 353,514.

specification er Letters Peten-t.

Patented Aug. 1o, 1909.

have invented certain new and useful lmer rovements in'and Relatingto Atomizers or urners 'for Liquid Fuel, of/which the follow l i 1 :and the shell or casing'12. his :invention relates to improvements in` ing is aspecification.

atomizers for use in burning liquid fuel andis especially adapted for burning Lcheapre'sidual that the steam air or gas (hereinafter re-` ferred to as steam for convenience) does not come in contact with the oil until it reaches the actual point of ejection, and in the event of there being a difference in the pressure in the steam and oil passages steam will notl enter the oil passage nor oil into thesteam passage, thereby avoiding the possibility of the passages being choked. This is effected by means of concentric steam and oil passages from the latter of which ay series of grooves or ways lead tothe points of ejection opposite each of which is an oriiice leading from the steam passage. The orices and the ends of the grooves are so formed as to cause,

the atomized oil to be forced in a slightly forward direction against a shoulder or the edge of the shell or casing. The power of the burner may be4 increased or decreased yby varying the number of oil grooves and corresponding orii'ices from the steam passage.

A further part of my invention lies in the construction of a simple yet compact appa-y ratus by means of which the oil and steam are utilized to the best advantage obviating the use of an oil pump.

Referring to the accompanying drawings, I will now describe my invention in order that same may be clearly understood.

Figure 1 is an elevation partly in section of the nozzle showing connections to the oil and steam supplies Fig. 2 is an end view of the atomizer. Fig. 3 is a'central section of the nozzle, while Fig. 4 is a section through the line 4-4 Fig. 3. Fig. 5 isa partial sectional kcover 21 may elevationV of the complete apparatus, while Fig. @is ya plan of same. f

Thesamenume'rals indicate the same or corresponding parts. .y

8 represents the steam vinlet pipe leading to the passagefor pipe 9 whilelO is the oil inlet pipe in communication with the concentric oi chamber or passage 1 1 between the pi e 9 j On the end o the pipe 9 is screwed a nipple 15 provided with aninternalfemale thread 16 the strain being taken by the collar 13 on said pipe the collar being keyed by means ofthe pm 14. The said nipple has oil grooves or ways 17 .each ending in the shoulder 18 where the grooves are flared or spread as at 19. In each of the said grooves and adjacent to the shoulder is an orifice 20 communicating with the steam pipe 9. The nipple 15 is screwed on the pipe 9 until the orifices 20 'are in a line or almost so with the end ofthe shell or casing 12. The said orifices are at a slight angle toward the end ofthe nip le and an open ended hood or direct the atomized oil in a forward direction toward the object to be heated and at the same time permit the free entrance of air. The effect of this construction of atomizer is that the oil after passing along vthe grooves 17 is ejected by steam from the orifices 20 so that the atomized oil strikes against the edge or shoulder 18 on the casing practically Without noise.

It will be observed that there is no possibility of the oil being carbonized in any of the passages as it is free of same before the steam comes in direct contact with it.

In Figs. 5 and 6, 22 is the main steam pipe having a branch 28 leading to the chamber 24 containing the oil coil 25 also a branch 26 communicating with the rsteam inlet 8. 27 is a drainingvalve while 28, 28, represent suitable steam valves. 29 is a cock controlling the passage of oil from a reservoir which is preferably` under a slight pressure When gravity cannot be utilized.

In operation steam is rst assed into the chamber 24 so as to heat ythe oil in the coil 25. Steam is then turned into the passage 9 and the oil flow regulated by means of the cock 29 to suit the name required.

When a gas under pressure is used instead of. shteam the heating coil may be dispensed wit I CIK Having now fully described and ascertained my said invention and the manner in which it is to be performed, I declare that What I claim is 1. In an atomizer of the class described, a steam supply pipe, an oil chambersurrounding a portion of the same, an oil supply pipe in communication with said chamber, a nipple secured to the free end of' the steam pipe and having a closed outer terminal, said nipple being provided with a series of exterior grooves extending beyond the terminal ofthe oil chamber and terminating at their outer extremities in enlargements, a plurality Lof openings leading from the grooves inwardly through the nipple to the interior of the latter and also setting up communication with the steam pipe, the outer terminals of the openings being adj aeent to the enlargements of the grooves, and a casing around the nipple and supported by the oil pipe, the inner grooved end of the nipple extending within the oil pipe.

2. In a device of the class described, a

chamber, a coiled pipe in said chamber, an oil supply pipe in communication with the coil at one end thereof, an oil chamber having communication with the other end ol the coil, a steam pipe passing through said oil chamber and having communication with the first mentioned chamber, a nipple carried by the free end of said steam pipe and having a plurality of grooves longitudinally thereof, one terminal of each being llared and in communication with the oil chamber, said nipple further provided. with. a plurality of orilices forming communication between the steam pipe and the grooves beyond the oil chamber, a casing supported by the oil chfunber for surrounding the nipple, and cut-ellI valve for l the steam and oil pipes.

In testimony whereof I have hereunto set my hand 1n presence of two subscribing wit- IIGSSQS.

HENRY BRABY. Witnesses:

CHARLES EDWARD GRAHAM, HENRY WATcnoRNE CLARKE. 

